xref: /freebsd/sys/dev/mmc/mmcreg.h (revision 02e9120893770924227138ba49df1edb3896112a)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2006 M. Warner Losh <imp@FreeBSD.org>
5  * Copyright (c) 2017 Marius Strobl <marius@FreeBSD.org>
6  * Copyright (c) 2015-2016 Ilya Bakulin <kibab@FreeBSD.org>
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  * Portions of this software may have been developed with reference to
29  * the SD Simplified Specification.  The following disclaimer may apply:
30  *
31  * The following conditions apply to the release of the simplified
32  * specification ("Simplified Specification") by the SD Card Association and
33  * the SD Group. The Simplified Specification is a subset of the complete SD
34  * Specification which is owned by the SD Card Association and the SD
35  * Group. This Simplified Specification is provided on a non-confidential
36  * basis subject to the disclaimers below. Any implementation of the
37  * Simplified Specification may require a license from the SD Card
38  * Association, SD Group, SD-3C LLC or other third parties.
39  *
40  * Disclaimers:
41  *
42  * The information contained in the Simplified Specification is presented only
43  * as a standard specification for SD Cards and SD Host/Ancillary products and
44  * is provided "AS-IS" without any representations or warranties of any
45  * kind. No responsibility is assumed by the SD Group, SD-3C LLC or the SD
46  * Card Association for any damages, any infringements of patents or other
47  * right of the SD Group, SD-3C LLC, the SD Card Association or any third
48  * parties, which may result from its use. No license is granted by
49  * implication, estoppel or otherwise under any patent or other rights of the
50  * SD Group, SD-3C LLC, the SD Card Association or any third party. Nothing
51  * herein shall be construed as an obligation by the SD Group, the SD-3C LLC
52  * or the SD Card Association to disclose or distribute any technical
53  * information, know-how or other confidential information to any third party.
54  */
55 
56 #ifndef DEV_MMC_MMCREG_H
57 #define	DEV_MMC_MMCREG_H
58 
59 /*
60  * This file contains the register definitions for the mmc and sd buses.
61  * They are taken from publicly available sources.
62  */
63 
64 struct mmc_data;
65 struct mmc_request;
66 
67 struct mmc_command {
68 	uint32_t	opcode;
69 	uint32_t	arg;
70 	uint32_t	resp[4];
71 	uint32_t	flags;		/* Expected responses */
72 #define	MMC_RSP_PRESENT	(1ul << 0)	/* Response */
73 #define	MMC_RSP_136	(1ul << 1)	/* 136 bit response */
74 #define	MMC_RSP_CRC	(1ul << 2)	/* Expect valid crc */
75 #define	MMC_RSP_BUSY	(1ul << 3)	/* Card may send busy */
76 #define	MMC_RSP_OPCODE	(1ul << 4)	/* Response include opcode */
77 #define	MMC_RSP_MASK	0x1ful
78 #define	MMC_CMD_AC	(0ul << 5)	/* Addressed Command, no data */
79 #define	MMC_CMD_ADTC	(1ul << 5)	/* Addressed Data transfer cmd */
80 #define	MMC_CMD_BC	(2ul << 5)	/* Broadcast command, no response */
81 #define	MMC_CMD_BCR	(3ul << 5)	/* Broadcast command with response */
82 #define	MMC_CMD_MASK	(3ul << 5)
83 
84 /* Possible response types defined in the standard: */
85 #define	MMC_RSP_NONE	(0)
86 #define	MMC_RSP_R1	(MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE)
87 #define	MMC_RSP_R1B	(MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE | MMC_RSP_BUSY)
88 #define	MMC_RSP_R2	(MMC_RSP_PRESENT | MMC_RSP_136 | MMC_RSP_CRC)
89 #define	MMC_RSP_R3	(MMC_RSP_PRESENT)
90 #define	MMC_RSP_R4	(MMC_RSP_PRESENT)
91 #define	MMC_RSP_R5	(MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE)
92 #define	MMC_RSP_R5B	(MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE | MMC_RSP_BUSY)
93 #define	MMC_RSP_R6	(MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE)
94 #define	MMC_RSP_R7	(MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE)
95 #define	MMC_RSP(x)	((x) & MMC_RSP_MASK)
96 	uint32_t	retries;
97 	uint32_t	error;
98 #define	MMC_ERR_NONE	0
99 #define	MMC_ERR_TIMEOUT	1
100 #define	MMC_ERR_BADCRC	2
101 #define	MMC_ERR_FIFO	3
102 #define	MMC_ERR_FAILED	4
103 #define	MMC_ERR_INVALID	5
104 #define	MMC_ERR_NO_MEMORY 6
105 #define	MMC_ERR_MAX	6
106 	struct mmc_data	*data;		/* Data segment with cmd */
107 	struct mmc_request *mrq;	/* backpointer to request */
108 };
109 
110 /*
111  * R1 responses
112  *
113  * Types (per SD 2.0 standard)
114  *	e : error bit
115  *	s : status bit
116  *	r : detected and set for the actual command response
117  *	x : Detected and set during command execution.  The host can get
118  *	    the status by issuing a command with R1 response.
119  *
120  * Clear Condition (per SD 2.0 standard)
121  *	a : according to the card current state.
122  *	b : always related to the previous command.  reception of a valid
123  *	    command will clear it (with a delay of one command).
124  *	c : clear by read
125  */
126 #define	R1_OUT_OF_RANGE (1u << 31)		/* erx, c */
127 #define	R1_ADDRESS_ERROR (1u << 30)		/* erx, c */
128 #define	R1_BLOCK_LEN_ERROR (1u << 29)		/* erx, c */
129 #define	R1_ERASE_SEQ_ERROR (1u << 28)		/* er, c */
130 #define	R1_ERASE_PARAM (1u << 27)		/* erx, c */
131 #define	R1_WP_VIOLATION (1u << 26)		/* erx, c */
132 #define	R1_CARD_IS_LOCKED (1u << 25)		/* sx, a */
133 #define	R1_LOCK_UNLOCK_FAILED (1u << 24)	/* erx, c */
134 #define	R1_COM_CRC_ERROR (1u << 23)		/* er, b */
135 #define	R1_ILLEGAL_COMMAND (1u << 22)		/* er, b */
136 #define	R1_CARD_ECC_FAILED (1u << 21)		/* erx, c */
137 #define	R1_CC_ERROR (1u << 20)			/* erx, c */
138 #define	R1_ERROR (1u << 19)			/* erx, c */
139 #define	R1_CSD_OVERWRITE (1u << 16)		/* erx, c */
140 #define	R1_WP_ERASE_SKIP (1u << 15)		/* erx, c */
141 #define	R1_CARD_ECC_DISABLED (1u << 14)		/* sx, a */
142 #define	R1_ERASE_RESET (1u << 13)		/* sr, c */
143 #define	R1_CURRENT_STATE_MASK (0xfu << 9)	/* sx, b */
144 #define	R1_READY_FOR_DATA (1u << 8)		/* sx, a */
145 #define	R1_SWITCH_ERROR (1u << 7)		/* sx, c */
146 #define	R1_APP_CMD (1u << 5)			/* sr, c */
147 #define	R1_AKE_SEQ_ERROR (1u << 3)		/* er, c */
148 #define	R1_STATUS(x)		((x) & 0xFFFFE000)
149 #define	R1_CURRENT_STATE(x)	(((x) & R1_CURRENT_STATE_MASK) >> 9)
150 #define	R1_STATE_IDLE	0
151 #define	R1_STATE_READY	1
152 #define	R1_STATE_IDENT	2
153 #define	R1_STATE_STBY	3
154 #define	R1_STATE_TRAN	4
155 #define	R1_STATE_DATA	5
156 #define	R1_STATE_RCV	6
157 #define	R1_STATE_PRG	7
158 #define	R1_STATE_DIS	8
159 
160 /* R4 responses (SDIO) */
161 #define	R4_IO_NUM_FUNCTIONS(ocr)	(((ocr) >> 28) & 0x3)
162 #define	R4_IO_MEM_PRESENT		(0x1 << 27)
163 #define	R4_IO_OCR_MASK			0x00fffff0
164 
165 /*
166  * R5 responses
167  *
168  * Types (per SD 2.0 standard)
169  *	e : error bit
170  *	s : status bit
171  *	r : detected and set for the actual command response
172  *	x : Detected and set during command execution.  The host can get
173  *	    the status by issuing a command with R1 response.
174  *
175  * Clear Condition (per SD 2.0 standard)
176  *	a : according to the card current state.
177  *	b : always related to the previous command.  reception of a valid
178  *	    command will clear it (with a delay of one command).
179  *	c : clear by read
180  */
181 #define	R5_COM_CRC_ERROR		(1u << 15)	/* er, b */
182 #define	R5_ILLEGAL_COMMAND		(1u << 14)	/* er, b */
183 #define	R5_IO_CURRENT_STATE_MASK	(3u << 12)	/* s, b */
184 #define	R5_IO_CURRENT_STATE(x)		(((x) & R5_IO_CURRENT_STATE_MASK) >> 12)
185 #define	R5_ERROR			(1u << 11)	/* erx, c */
186 #define	R5_FUNCTION_NUMBER		(1u << 9)	/* er, c */
187 #define	R5_OUT_OF_RANGE			(1u << 8)	/* er, c */
188 
189 struct mmc_data {
190 	size_t len;		/* size of the data */
191 	size_t xfer_len;
192 	void *data;		/* data buffer */
193 	uint32_t	flags;
194 #define	MMC_DATA_WRITE	(1UL << 0)
195 #define	MMC_DATA_READ	(1UL << 1)
196 #define	MMC_DATA_STREAM	(1UL << 2)
197 #define	MMC_DATA_MULTI	(1UL << 3)
198 #define MMC_DATA_BLOCK_SIZE (1UL << 4)
199 	struct mmc_request *mrq;
200 	size_t block_size;      /* block size for CMD53 */
201 	size_t block_count;     /* block count for CMD53 */
202 };
203 
204 struct mmc_request {
205 	struct mmc_command *cmd;
206 	struct mmc_command *stop;
207 	void (*done)(struct mmc_request *); /* Completion function */
208 	void *done_data;		/* requestor set data */
209 	uint32_t flags;
210 #define	MMC_REQ_DONE	1
211 #define	MMC_TUNE_DONE	2
212 };
213 
214 /* Command definitions */
215 
216 /* Class 0 and 1: Basic commands & read stream commands */
217 #define	MMC_GO_IDLE_STATE	0
218 #define	MMC_SEND_OP_COND	1
219 #define	MMC_ALL_SEND_CID	2
220 #define	MMC_SET_RELATIVE_ADDR	3
221 #define	SD_SEND_RELATIVE_ADDR	3
222 #define	MMC_SET_DSR		4
223 #define	MMC_SLEEP_AWAKE		5
224 #define	IO_SEND_OP_COND		5
225 #define	MMC_SWITCH_FUNC		6
226 #define	 MMC_SWITCH_FUNC_CMDS	 0
227 #define	 MMC_SWITCH_FUNC_SET	 1
228 #define	 MMC_SWITCH_FUNC_CLR	 2
229 #define	 MMC_SWITCH_FUNC_WR	 3
230 #define	MMC_SELECT_CARD		7
231 #define	MMC_DESELECT_CARD	7
232 #define	MMC_SEND_EXT_CSD	8
233 #define	SD_SEND_IF_COND		8
234 #define	MMC_SEND_CSD		9
235 #define	MMC_SEND_CID		10
236 #define	MMC_READ_DAT_UNTIL_STOP	11
237 #define	MMC_STOP_TRANSMISSION	12
238 #define	MMC_SEND_STATUS		13
239 #define	MMC_BUSTEST_R		14
240 #define	MMC_GO_INACTIVE_STATE	15
241 #define	MMC_BUSTEST_W		19
242 
243 /* Class 2: Block oriented read commands */
244 #define	MMC_SET_BLOCKLEN	16
245 #define	MMC_READ_SINGLE_BLOCK	17
246 #define	MMC_READ_MULTIPLE_BLOCK	18
247 #define	MMC_SEND_TUNING_BLOCK	19
248 #define	MMC_SEND_TUNING_BLOCK_HS200 21
249 
250 /* Class 3: Stream write commands */
251 #define	MMC_WRITE_DAT_UNTIL_STOP 20
252 			/* reserved: 22 */
253 
254 /* Class 4: Block oriented write commands */
255 #define	MMC_SET_BLOCK_COUNT	23
256 #define	MMC_WRITE_BLOCK		24
257 #define	MMC_WRITE_MULTIPLE_BLOCK 25
258 #define	MMC_PROGARM_CID		26
259 #define	MMC_PROGRAM_CSD		27
260 
261 /* Class 6: Block oriented write protection commands */
262 #define	MMC_SET_WRITE_PROT	28
263 #define	MMC_CLR_WRITE_PROT	29
264 #define	MMC_SEND_WRITE_PROT	30
265 			/* reserved: 31 */
266 
267 /* Class 5: Erase commands */
268 #define	SD_ERASE_WR_BLK_START	32
269 #define	SD_ERASE_WR_BLK_END	33
270 			/* 34 -- reserved old command */
271 #define	MMC_ERASE_GROUP_START	35
272 #define	MMC_ERASE_GROUP_END	36
273 			/* 37 -- reserved old command */
274 #define	MMC_ERASE		38
275 #define	 MMC_ERASE_ERASE	0x00000000
276 #define	 MMC_ERASE_TRIM		0x00000001
277 #define	 MMC_ERASE_FULE		0x00000002
278 #define	 MMC_ERASE_DISCARD	0x00000003
279 #define	 MMC_ERASE_SECURE_ERASE	0x80000000
280 #define	 MMC_ERASE_SECURE_TRIM1	0x80000001
281 #define	 MMC_ERASE_SECURE_TRIM2	0x80008000
282 
283 /* Class 9: I/O mode commands */
284 #define	MMC_FAST_IO		39
285 #define	MMC_GO_IRQ_STATE	40
286 			/* reserved: 41 */
287 
288 /* Class 7: Lock card */
289 #define	MMC_LOCK_UNLOCK		42
290 			/* reserved: 43 */
291 			/* reserved: 44 */
292 			/* reserved: 45 */
293 			/* reserved: 46 */
294 			/* reserved: 47 */
295 			/* reserved: 48 */
296 			/* reserved: 49 */
297 			/* reserved: 50 */
298 			/* reserved: 51 */
299 			/* reserved: 54 */
300 
301 /* Class 8: Application specific commands */
302 #define	MMC_APP_CMD		55
303 #define	MMC_GEN_CMD		56
304 			/* reserved: 57 */
305 			/* reserved: 58 */
306 			/* reserved: 59 */
307 			/* reserved for mfg: 60 */
308 			/* reserved for mfg: 61 */
309 			/* reserved for mfg: 62 */
310 			/* reserved for mfg: 63 */
311 
312 /* Class 9: I/O cards (sd) */
313 #define	SD_IO_RW_DIRECT		52
314 /* CMD52 arguments */
315 #define	 SD_ARG_CMD52_READ		(0 << 31)
316 #define	 SD_ARG_CMD52_WRITE		(1 << 31)
317 #define	 SD_ARG_CMD52_FUNC_SHIFT	28
318 #define	 SD_ARG_CMD52_FUNC_MASK		0x7
319 #define	 SD_ARG_CMD52_EXCHANGE		(1 << 27)
320 #define	 SD_ARG_CMD52_REG_SHIFT		9
321 #define	 SD_ARG_CMD52_REG_MASK		0x1ffff
322 #define	 SD_ARG_CMD52_DATA_SHIFT	0
323 #define	 SD_ARG_CMD52_DATA_MASK		0xff
324 #define	 SD_R5_DATA(resp)		((resp)[0] & 0xff)
325 
326 #define	SD_IO_RW_EXTENDED	53
327 /* CMD53 arguments */
328 #define	 SD_ARG_CMD53_READ		(0 << 31)
329 #define	 SD_ARG_CMD53_WRITE		(1 << 31)
330 #define	 SD_ARG_CMD53_FUNC_SHIFT	28
331 #define	 SD_ARG_CMD53_FUNC_MASK		0x7
332 #define	 SD_ARG_CMD53_BLOCK_MODE	(1 << 27)
333 #define	 SD_ARG_CMD53_INCREMENT		(1 << 26)
334 #define	 SD_ARG_CMD53_REG_SHIFT		9
335 #define	 SD_ARG_CMD53_REG_MASK		0x1ffff
336 #define	 SD_ARG_CMD53_LENGTH_SHIFT	0
337 #define	 SD_ARG_CMD53_LENGTH_MASK	0x1ff
338 #define	 SD_ARG_CMD53_LENGTH_MAX	64	/* XXX should be 511? */
339 
340 /* Class 10: Switch function commands */
341 #define	SD_SWITCH_FUNC		6
342 			/* reserved: 34 */
343 			/* reserved: 35 */
344 			/* reserved: 36 */
345 			/* reserved: 37 */
346 			/* reserved: 50 */
347 			/* reserved: 57 */
348 
349 /* Application specific commands for SD */
350 #define	ACMD_SET_BUS_WIDTH	6
351 #define	ACMD_SD_STATUS		13
352 #define	ACMD_SEND_NUM_WR_BLOCKS	22
353 #define	ACMD_SET_WR_BLK_ERASE_COUNT 23
354 #define	ACMD_SD_SEND_OP_COND	41
355 #define	ACMD_SET_CLR_CARD_DETECT 42
356 #define	ACMD_SEND_SCR		51
357 
358 /*
359  * EXT_CSD fields
360  */
361 #define	EXT_CSD_FLUSH_CACHE	32	/* W/E */
362 #define	EXT_CSD_CACHE_CTRL	33	/* R/W/E */
363 #define	EXT_CSD_EXT_PART_ATTR	52	/* R/W, 2 bytes */
364 #define	EXT_CSD_ENH_START_ADDR	136	/* R/W, 4 bytes */
365 #define	EXT_CSD_ENH_SIZE_MULT	140	/* R/W, 3 bytes */
366 #define	EXT_CSD_GP_SIZE_MULT	143	/* R/W, 12 bytes */
367 #define	EXT_CSD_PART_SET	155	/* R/W */
368 #define	EXT_CSD_PART_ATTR	156	/* R/W */
369 #define	EXT_CSD_PART_SUPPORT	160	/* RO */
370 #define	EXT_CSD_RPMB_MULT	168	/* RO */
371 #define	EXT_CSD_BOOT_WP_STATUS	174	/* RO */
372 #define	EXT_CSD_ERASE_GRP_DEF	175	/* R/W */
373 #define	EXT_CSD_PART_CONFIG	179	/* R/W */
374 #define	EXT_CSD_BUS_WIDTH	183	/* R/W */
375 #define	EXT_CSD_STROBE_SUPPORT	184	/* RO */
376 #define	EXT_CSD_HS_TIMING	185	/* R/W */
377 #define	EXT_CSD_POWER_CLASS	187	/* R/W */
378 #define	EXT_CSD_CARD_TYPE	196	/* RO */
379 #define	EXT_CSD_DRIVER_STRENGTH	197	/* RO */
380 #define	EXT_CSD_REV		192	/* RO */
381 #define	EXT_CSD_PART_SWITCH_TO	199	/* RO */
382 #define	EXT_CSD_PWR_CL_52_195	200	/* RO */
383 #define	EXT_CSD_PWR_CL_26_195	201	/* RO */
384 #define	EXT_CSD_PWR_CL_52_360	202	/* RO */
385 #define	EXT_CSD_PWR_CL_26_360	203	/* RO */
386 #define	EXT_CSD_SEC_CNT		212	/* RO, 4 bytes */
387 #define	EXT_CSD_HC_WP_GRP_SIZE	221	/* RO */
388 #define	EXT_CSD_ERASE_TO_MULT	223	/* RO */
389 #define	EXT_CSD_ERASE_GRP_SIZE	224	/* RO */
390 #define	EXT_CSD_BOOT_SIZE_MULT	226	/* RO */
391 #define	EXT_CSD_SEC_FEATURE_SUPPORT 231	/* RO */
392 #define	EXT_CSD_PWR_CL_200_195	236	/* RO */
393 #define	EXT_CSD_PWR_CL_200_360	237	/* RO */
394 #define	EXT_CSD_PWR_CL_52_195_DDR 238	/* RO */
395 #define	EXT_CSD_PWR_CL_52_360_DDR 239	/* RO */
396 #define	EXT_CSD_CACHE_FLUSH_POLICY 249	/* RO */
397 #define	EXT_CSD_GEN_CMD6_TIME	248	/* RO */
398 #define	EXT_CSD_CACHE_SIZE	249	/* RO, 4 bytes */
399 #define	EXT_CSD_PWR_CL_200_360_DDR 253	/* RO */
400 
401 /*
402  * EXT_CSD field definitions
403  */
404 #define	EXT_CSD_FLUSH_CACHE_FLUSH	0x01
405 #define	EXT_CSD_FLUSH_CACHE_BARRIER	0x02
406 
407 #define	EXT_CSD_CACHE_CTRL_CACHE_EN	0x01
408 
409 #define	EXT_CSD_EXT_PART_ATTR_DEFAULT		0x0
410 #define	EXT_CSD_EXT_PART_ATTR_SYSTEMCODE	0x1
411 #define	EXT_CSD_EXT_PART_ATTR_NPERSISTENT	0x2
412 
413 #define	EXT_CSD_PART_SET_COMPLETED		0x01
414 
415 #define	EXT_CSD_PART_ATTR_ENH_USR		0x01
416 #define	EXT_CSD_PART_ATTR_ENH_GP0		0x02
417 #define	EXT_CSD_PART_ATTR_ENH_GP1		0x04
418 #define	EXT_CSD_PART_ATTR_ENH_GP2		0x08
419 #define	EXT_CSD_PART_ATTR_ENH_GP3		0x10
420 #define	EXT_CSD_PART_ATTR_ENH_MASK		0x1f
421 
422 #define	EXT_CSD_PART_SUPPORT_EN			0x01
423 #define	EXT_CSD_PART_SUPPORT_ENH_ATTR_EN	0x02
424 #define	EXT_CSD_PART_SUPPORT_EXT_ATTR_EN	0x04
425 
426 #define	EXT_CSD_BOOT_WP_STATUS_BOOT0_PWR	0x01
427 #define	EXT_CSD_BOOT_WP_STATUS_BOOT0_PERM	0x02
428 #define	EXT_CSD_BOOT_WP_STATUS_BOOT0_MASK	0x03
429 #define	EXT_CSD_BOOT_WP_STATUS_BOOT1_PWR	0x04
430 #define	EXT_CSD_BOOT_WP_STATUS_BOOT1_PERM	0x08
431 #define	EXT_CSD_BOOT_WP_STATUS_BOOT1_MASK	0x0c
432 
433 #define	EXT_CSD_ERASE_GRP_DEF_EN	0x01
434 
435 #define	EXT_CSD_PART_CONFIG_ACC_DEFAULT	0x00
436 #define	EXT_CSD_PART_CONFIG_ACC_BOOT0	0x01
437 #define	EXT_CSD_PART_CONFIG_ACC_BOOT1	0x02
438 #define	EXT_CSD_PART_CONFIG_ACC_RPMB	0x03
439 #define	EXT_CSD_PART_CONFIG_ACC_GP0	0x04
440 #define	EXT_CSD_PART_CONFIG_ACC_GP1	0x05
441 #define	EXT_CSD_PART_CONFIG_ACC_GP2	0x06
442 #define	EXT_CSD_PART_CONFIG_ACC_GP3	0x07
443 #define	EXT_CSD_PART_CONFIG_ACC_MASK	0x07
444 #define	EXT_CSD_PART_CONFIG_BOOT0	0x08
445 #define	EXT_CSD_PART_CONFIG_BOOT1	0x10
446 #define	EXT_CSD_PART_CONFIG_BOOT_USR	0x38
447 #define	EXT_CSD_PART_CONFIG_BOOT_MASK	0x38
448 #define	EXT_CSD_PART_CONFIG_BOOT_ACK	0x40
449 
450 #define	EXT_CSD_CMD_SET_NORMAL		1
451 #define	EXT_CSD_CMD_SET_SECURE		2
452 #define	EXT_CSD_CMD_SET_CPSECURE	4
453 
454 #define	EXT_CSD_HS_TIMING_BC		0
455 #define	EXT_CSD_HS_TIMING_HS		1
456 #define	EXT_CSD_HS_TIMING_HS200		2
457 #define	EXT_CSD_HS_TIMING_HS400		3
458 #define	EXT_CSD_HS_TIMING_DRV_STR_SHIFT	4
459 
460 #define	EXT_CSD_POWER_CLASS_8BIT_MASK	0xf0
461 #define	EXT_CSD_POWER_CLASS_8BIT_SHIFT	4
462 #define	EXT_CSD_POWER_CLASS_4BIT_MASK	0x0f
463 #define	EXT_CSD_POWER_CLASS_4BIT_SHIFT	0
464 
465 #define	EXT_CSD_CARD_TYPE_HS_26		0x0001
466 #define	EXT_CSD_CARD_TYPE_HS_52		0x0002
467 #define	EXT_CSD_CARD_TYPE_DDR_52_1_8V	0x0004
468 #define	EXT_CSD_CARD_TYPE_DDR_52_1_2V	0x0008
469 #define	EXT_CSD_CARD_TYPE_HS200_1_8V	0x0010
470 #define	EXT_CSD_CARD_TYPE_HS200_1_2V	0x0020
471 #define	EXT_CSD_CARD_TYPE_HS400_1_8V	0x0040
472 #define	EXT_CSD_CARD_TYPE_HS400_1_2V	0x0080
473 
474 #define	EXT_CSD_BUS_WIDTH_1	0
475 #define	EXT_CSD_BUS_WIDTH_4	1
476 #define	EXT_CSD_BUS_WIDTH_8	2
477 #define	EXT_CSD_BUS_WIDTH_4_DDR	5
478 #define	EXT_CSD_BUS_WIDTH_8_DDR	6
479 #define	EXT_CSD_BUS_WIDTH_ES	0x80
480 
481 #define	EXT_CSD_STROBE_SUPPORT_EN	0x01
482 
483 #define	EXT_CSD_SEC_FEATURE_SUPPORT_ER_EN	0x01
484 #define	EXT_CSD_SEC_FEATURE_SUPPORT_BD_BLK_EN	0x04
485 #define	EXT_CSD_SEC_FEATURE_SUPPORT_GB_CL_EN	0x10
486 #define	EXT_CSD_SEC_FEATURE_SUPPORT_SANITIZE	0x40
487 
488 #define	EXT_CSD_CACHE_FLUSH_POLICY_FIFO	0x01
489 
490 /*
491  * Vendor specific EXT_CSD fields
492  */
493 /* SanDisk iNAND */
494 #define	EXT_CSD_INAND_CMD38			113
495 #define	 EXT_CSD_INAND_CMD38_ERASE		0x00
496 #define	 EXT_CSD_INAND_CMD38_TRIM		0x01
497 #define	 EXT_CSD_INAND_CMD38_SECURE_ERASE	0x80
498 #define	 EXT_CSD_INAND_CMD38_SECURE_TRIM1	0x81
499 #define	 EXT_CSD_INAND_CMD38_SECURE_TRIM2	0x82
500 
501 #define	MMC_TYPE_HS_26_MAX		26000000
502 #define	MMC_TYPE_HS_52_MAX		52000000
503 #define	MMC_TYPE_DDR52_MAX		52000000
504 #define	MMC_TYPE_HS200_HS400ES_MAX	200000000
505 
506 /*
507  * SD bus widths
508  */
509 #define	SD_BUS_WIDTH_1		0
510 #define	SD_BUS_WIDTH_4		2
511 
512 /*
513  * SD Switch
514  */
515 #define	SD_SWITCH_MODE_CHECK	0
516 #define	SD_SWITCH_MODE_SET	1
517 #define	SD_SWITCH_GROUP1	0
518 #define	SD_SWITCH_NORMAL_MODE	0
519 #define	SD_SWITCH_HS_MODE	1
520 #define	SD_SWITCH_SDR50_MODE	2
521 #define	SD_SWITCH_SDR104_MODE	3
522 #define	SD_SWITCH_DDR50		4
523 #define	SD_SWITCH_NOCHANGE	0xF
524 
525 #define	SD_CLR_CARD_DETECT	0
526 #define	SD_SET_CARD_DETECT	1
527 
528 #define	SD_HS_MAX		50000000
529 #define	SD_DDR50_MAX		50000000
530 #define	SD_SDR12_MAX		25000000
531 #define	SD_SDR25_MAX		50000000
532 #define	SD_SDR50_MAX		100000000
533 #define	SD_SDR104_MAX		208000000
534 
535 /* Specifications require 400 kHz max. during ID phase. */
536 #define	SD_MMC_CARD_ID_FREQUENCY	400000
537 
538 /*
539  * SDIO Direct & Extended I/O
540  */
541 #define	SD_IO_RW_WR		(1u << 31)
542 #define	SD_IO_RW_FUNC(x)	(((x) & 0x7) << 28)
543 #define	SD_IO_RW_RAW		(1u << 27)
544 #define	SD_IO_RW_INCR		(1u << 26)
545 #define	SD_IO_RW_ADR(x)		(((x) & 0x1FFFF) << 9)
546 #define	SD_IO_RW_DAT(x)		(((x) & 0xFF) << 0)
547 #define	SD_IO_RW_LEN(x)		(((x) & 0xFF) << 0)
548 
549 #define	SD_IOE_RW_LEN(x)	(((x) & 0x1FF) << 0)
550 #define	SD_IOE_RW_ADR(x)	(((x) & 0x1FFFF) << 9)
551 #define	SD_IOE_RW_INCR		(1u << 26)
552 #define	SD_IOE_RW_BLK		(1u << 27)
553 #define	SD_IOE_RW_FUNC(x)	(((x) & 0x7) << 28)
554 #define	SD_IOE_RW_WR		(1u << 31)
555 
556 /* Card Common Control Registers (CCCR) */
557 #define	SD_IO_CCCR_START		0x00000	/* Offset in F0 address space */
558 #define	SD_IO_CCCR_SIZE			0x100	/* Total size of CCCR */
559 #define	SD_IO_CCCR_FN_ENABLE		0x02	/* Enabled functions */
560 #define	SD_IO_CCCR_FN_READY		0x03	/* Function ready status */
561 #define	SD_IO_CCCR_INT_ENABLE		0x04	/* Per-function interrupt enable */
562 #define	SD_IO_CCCR_INT_PENDING		0x05	/* Per-function interrupt pending */
563 #define	SD_IO_CCCR_CTL			0x06	/* I/O Abort register */
564 #define	 CCCR_CTL_RES			(1 << 3) /* Perform SDIO reset */
565 #define	SD_IO_CCCR_BUS_WIDTH		0x07	/* Bus Width register */
566 #define	 CCCR_BUS_WIDTH_4		(1 << 1)
567 #define	 CCCR_BUS_WIDTH_1		(1 << 0)
568 #define	SD_IO_CCCR_CARDCAP		0x08	/* SDIO card capabilities */
569 #define	 CCCR_CC_SMB			(1 << 1) /* CMD53 block mode support */
570 #define	 CCCR_CC_LSC			(1 << 6)
571 
572 #define	SD_IO_CCCR_CISPTR		0x09    /* 0x09 - 0x0B */
573 #define SD_IO_CCCR_FN0_BLKSZ            0x10    /* 0x10 - 0x11 */
574 #define	SD_IO_CCCR_SPEED		0x13
575 #define	 CCCR_SPEED_SHS			(1 << 0)
576 #define	 CCCR_SPEED_BSS_MASK		(0x7 << 1)
577 #define	 CCCR_SPEED_EHS			(1 << 1)
578 #define	 CCCR_SPEED_SDR12		(0 << 1)
579 #define	 CCCR_SPEED_SDR25		(1 << 1)
580 #define	 CCCR_SPEED_SDR50		(2 << 1)
581 #define	 CCCR_SPEED_SDR104		(3 << 1)
582 #define	 CCCR_SPEED_DDR50		(4 << 1)
583 
584 /* Function Basic Registers (FBR) */
585 #define	SD_IO_FBR_START			0x00100 /* Offset in F0 address space */
586 #define	SD_IO_FBR_SIZE			0x00700 /* Total size of FBR */
587 #define SD_IO_FBR_F_SIZE	       	0x00100 /* Size of each function */
588 #define SD_IO_FBR_START_F(n)            (SD_IO_FBR_START + (n-1) * SD_IO_FBR_F_SIZE)
589 #define SD_IO_FBR_CIS_OFFSET            0x9  /* Offset of this function's info block within CIS area */
590 #define SD_IO_FBR_IOBLKSZ               0x10 /* Block size for CMD53 block mode operations */
591 
592 /* Card Information Structure (CIS) */
593 #define	SD_IO_CIS_START			0x01000 /* Offset in F0 address space */
594 #define	SD_IO_CIS_SIZE			0x17000 /* Total size of CIS */
595 
596 /* CIS tuple codes (based on PC Card 16) */
597 #define	SD_IO_CISTPL_VERS_1		0x15
598 #define	SD_IO_CISTPL_MANFID		0x20
599 #define	SD_IO_CISTPL_FUNCID		0x21
600 #define	SD_IO_CISTPL_FUNCE		0x22
601 #define	SD_IO_CISTPL_END		0xff
602 
603 /* CISTPL_FUNCID codes */
604 /* OpenBSD incorrectly defines 0x0c as FUNCTION_WLAN */
605 /* #define	SDMMC_FUNCTION_WLAN		0x0c */
606 
607 /* OCR bits */
608 
609 /*
610  * in SD 2.0 spec, bits 8-14 are now marked reserved
611  * Low voltage in SD2.0 spec is bit 7, TBD voltage
612  * Low voltage in MC 3.31 spec is bit 7, 1.65-1.95V
613  * Specs prior to  MMC 3.31 defined bits 0-7 as voltages down to 1.5V.
614  * 3.31 redefined them to be reserved and also said that cards had to
615  * support the 2.7-3.6V and fixed the OCR to be 0xfff8000 for high voltage
616  * cards.  MMC 4.0 says that a dual voltage card responds with 0xfff8080.
617  * Looks like the fine-grained control of the voltage tolerance ranges
618  * was abandoned.
619  *
620  * The MMC_OCR_CCS appears to be valid for only SD cards.
621  */
622 #define	MMC_OCR_VOLTAGE	0x3fffffffU	/* Vdd Voltage mask */
623 #define	MMC_OCR_LOW_VOLTAGE (1u << 7)	/* Low Voltage Range -- tbd */
624 #define	MMC_OCR_MIN_VOLTAGE_SHIFT	7
625 #define	MMC_OCR_200_210	(1U << 8)	/* Vdd voltage 2.00 ~ 2.10 */
626 #define	MMC_OCR_210_220	(1U << 9)	/* Vdd voltage 2.10 ~ 2.20 */
627 #define	MMC_OCR_220_230	(1U << 10)	/* Vdd voltage 2.20 ~ 2.30 */
628 #define	MMC_OCR_230_240	(1U << 11)	/* Vdd voltage 2.30 ~ 2.40 */
629 #define	MMC_OCR_240_250	(1U << 12)	/* Vdd voltage 2.40 ~ 2.50 */
630 #define	MMC_OCR_250_260	(1U << 13)	/* Vdd voltage 2.50 ~ 2.60 */
631 #define	MMC_OCR_260_270	(1U << 14)	/* Vdd voltage 2.60 ~ 2.70 */
632 #define	MMC_OCR_270_280	(1U << 15)	/* Vdd voltage 2.70 ~ 2.80 */
633 #define	MMC_OCR_280_290	(1U << 16)	/* Vdd voltage 2.80 ~ 2.90 */
634 #define	MMC_OCR_290_300	(1U << 17)	/* Vdd voltage 2.90 ~ 3.00 */
635 #define	MMC_OCR_300_310	(1U << 18)	/* Vdd voltage 3.00 ~ 3.10 */
636 #define	MMC_OCR_310_320	(1U << 19)	/* Vdd voltage 3.10 ~ 3.20 */
637 #define	MMC_OCR_320_330	(1U << 20)	/* Vdd voltage 3.20 ~ 3.30 */
638 #define	MMC_OCR_330_340	(1U << 21)	/* Vdd voltage 3.30 ~ 3.40 */
639 #define	MMC_OCR_340_350	(1U << 22)	/* Vdd voltage 3.40 ~ 3.50 */
640 #define	MMC_OCR_350_360	(1U << 23)	/* Vdd voltage 3.50 ~ 3.60 */
641 #define	MMC_OCR_MAX_VOLTAGE_SHIFT	23
642 #define	MMC_OCR_S18R	(1U << 24)	/* Switching to 1.8 V requested (SD) */
643 #define	MMC_OCR_S18A	MMC_OCR_S18R	/* Switching to 1.8 V accepted (SD) */
644 #define	MMC_OCR_XPC	(1U << 28)	/* SDXC Power Control */
645 #define	MMC_OCR_ACCESS_MODE_BYTE (0U << 29) /* Access Mode Byte (MMC) */
646 #define	MMC_OCR_ACCESS_MODE_SECT (1U << 29) /* Access Mode Sector (MMC) */
647 #define	MMC_OCR_ACCESS_MODE_MASK (3U << 29)
648 #define	MMC_OCR_CCS	(1u << 30)	/* Card Capacity status (SD vs SDHC) */
649 #define	MMC_OCR_CARD_BUSY (1U << 31)	/* Card Power up status */
650 
651 /* CSD -- decoded structure */
652 struct mmc_cid {
653 	uint32_t mid;
654 	char pnm[8];
655 	uint32_t psn;
656 	uint16_t oid;
657 	uint16_t mdt_year;
658 	uint8_t mdt_month;
659 	uint8_t prv;
660 	uint8_t fwrev;
661 };
662 
663 struct mmc_csd {
664 	uint8_t csd_structure;
665 	uint8_t spec_vers;
666 	uint16_t ccc;
667 	uint16_t tacc;
668 	uint32_t nsac;
669 	uint32_t r2w_factor;
670 	uint32_t tran_speed;
671 	uint32_t read_bl_len;
672 	uint32_t write_bl_len;
673 	uint32_t vdd_r_curr_min;
674 	uint32_t vdd_r_curr_max;
675 	uint32_t vdd_w_curr_min;
676 	uint32_t vdd_w_curr_max;
677 	uint32_t wp_grp_size;
678 	uint32_t erase_sector;
679 	uint64_t capacity;
680 	unsigned int read_bl_partial:1,
681 	    read_blk_misalign:1,
682 	    write_bl_partial:1,
683 	    write_blk_misalign:1,
684 	    dsr_imp:1,
685 	    erase_blk_en:1,
686 	    wp_grp_enable:1;
687 };
688 
689 struct mmc_scr {
690 	unsigned char		sda_vsn;
691 	unsigned char		bus_widths;
692 #define	SD_SCR_BUS_WIDTH_1	(1 << 0)
693 #define	SD_SCR_BUS_WIDTH_4	(1 << 2)
694 };
695 
696 struct mmc_sd_status {
697 	uint8_t			bus_width;
698 	uint8_t			secured_mode;
699 	uint16_t		card_type;
700 	uint16_t		prot_area;
701 	uint8_t			speed_class;
702 	uint8_t			perf_move;
703 	uint8_t			au_size;
704 	uint16_t		erase_size;
705 	uint8_t			erase_timeout;
706 	uint8_t			erase_offset;
707 };
708 
709 struct mmc_quirk {
710 	uint32_t mid;
711 #define	MMC_QUIRK_MID_ANY	((uint32_t)-1)
712 	uint16_t oid;
713 #define	MMC_QUIRK_OID_ANY	((uint16_t)-1)
714 	const char *pnm;
715 	uint32_t quirks;
716 #define	MMC_QUIRK_INAND_CMD38	0x0001
717 #define	MMC_QUIRK_BROKEN_TRIM	0x0002
718 };
719 
720 #define	MMC_QUIRKS_FMT		"\020" "\001INAND_CMD38" "\002BROKEN_TRIM"
721 
722 /*
723  * Various MMC/SD constants
724  */
725 #define	MMC_BOOT_RPMB_BLOCK_SIZE	(128 * 1024)
726 
727 #define	MMC_EXTCSD_SIZE	512
728 
729 #define	MMC_PART_GP_MAX	4
730 #define	MMC_PART_MAX	8
731 
732 #define	MMC_TUNING_MAX		64	/* Maximum tuning iterations */
733 #define	MMC_TUNING_LEN		64	/* Size of tuning data */
734 #define	MMC_TUNING_LEN_HS200	128	/* Size of tuning data in HS200 mode */
735 
736 /*
737  * Older versions of the MMC standard had a variable sector size.  However,
738  * I've been able to find no old MMC or SD cards that have a non 512
739  * byte sector size anywhere, so we assume that such cards are very rare
740  * and only note their existence in passing here...
741  */
742 #define	MMC_SECTOR_SIZE	512
743 
744 #endif /* DEV_MMCREG_H */
745